District Energy

District Energy Projects Highlight the Concept’s Strengths

Carl Weinschenk

District energy is not a new idea. The growing focus on energy efficiency and renewable energy is making it a concept whose time has come — again.


It Can Make it There: Cogeneration Doing the Job in The Big Apple

Carl Weinschenk

A lot has happened on the cogeneration front in New York City during the past few weeks. From the perspective of proponents, the news is a mix of positive and negative.


Microgrids Positioned for a Bright Future

Carl Weinschenk

Microgrids are popping up in the strangest places – such as a small upstate New York town and a commercial dairy. Earlier this month, the Associated Press profiled the energy activities of Nassau, NY, which is which is near Albany. The town was buffeted by ice storms in 2008 and 2009. The genesis of the   …Continue Reading


District Heating Pipe System from CPV

Carl Weinschenk

CPV Ltd., a company based in the United Kingdom, has introduced what it terms a “next generation” district heating pipe system, according to Cogeneration & On-Site Power Production. The Hiline GRE system includes a service pipe that is encased in a layer of bonded polyurethane foam and a protective outer casing, according to the story.   …Continue Reading


Duquesne Light Building Experimental Microgrid

Carl Weinschenk

Duquesne Light, a Pittsburgh power company with 620,000 customers in Allegheny and Beaver counties, will build and operate an experimental microgrid at its Woods Run facility along the Ohio River. The story at the Pittsburgh Post-Gazette said that planning began after the city signed an agreement with the U.S. Department of Energy in July to   …Continue Reading


District Energy Firm Veolia Becomes Incubator Sponsor

Carl Weinschenk

Veolia North America, a Boston-area district energy provider, has become a sponsor of Somerville’s Greentown Labs. Greentown Labs is the largest cleantech incubator in the country, according to Veolia. As a Terawatt Sponsor, Veolia will provide incubator participants with access to experience and advice. Veolia provides environmentally-friendly district energy steam to the downtown Boston/Cambridge area.   …Continue Reading


NRG to Build, Market Combined Heat and Power System in Pittsburgh

Carl Weinschenk

NRG Energy is adding a combined heat and power (CHP) element to the northside district energy system it operates in Pittsburgh, according to the Pennsylvania Business Daily. A spokesperson said that the idea is to create “what is essentially a microgrid” in the existing system. The story says that NRG will market the system to   …Continue Reading


GE, Coachella Energy Building a Big Lithium-Ion Battery

Carl Weinschenk

General Electric and Coachella Energy Storage Partners will build a $38 million battery for the Imperial Irrigation District in California. The 30-megawatt power source will be one of the largest lithium-ion batteries in the state, according to The Desert Sun. The project’s genesis was a blackout in September, 2011, which impacted 2.7 million people and   …Continue Reading


District Energy Development in Pittsburgh

Linda Hardesty

Grant Ervin, sustainability manager for they city of Pittsburgh, talks about district energy as an economic benefit in the city’s new real estate developments. In July, the city of Pittsburgh signed a memorandum of understanding (MOU) with the US Department of Energy to develop a clean energy plan focused on district energy systems.


Pittsburgh Embarks on District Energy Plan

Linda Hardesty

The city of Pittsburgh signed a memorandum of understanding (MOU) with the US Department of Energy to develop a clean energy plan focused on district energy systems. DOE’s local branch of its National Energy Technology Laboratory will share resources and guide university researchers in crafting a long-term plan for district energy, reports the Pittsburgh Post-Gazette.   …Continue Reading